CRISFIELD, a town of Somerset county, Maryland, U.S.A., on Tangier sound of Chesapeake bay, opposite the mouth of the Potomac river; the terminus of a line of the Pennsylvania railway. The population in 1920 was 4,116 (28% negroes), and was 3,85o in 193o by the Federal census. Crisfield is the centre of the crab industry of the bay, and it has oyster-packing and shipbuilding plants. The town was settled about 1866 and incorporated in 1872.